From the introduction:
July 20, 1969: The Apollo 11 Lunar Module guidance system suffers a fatal mishap, and the Eagle impacts on the Moon. Armstrong and Aldrin are dead, and Collins returns to Earth in the Command Module.
October 3, 1969: Alexey Leonev sets the Lunnly Korabi down on Mare Crisium and plants the Soviet flag on the Moon. Footage of the mission is carried live on TV, and the Western world is shocked.
October 8, 1969: President Robert Kennedy orders NASA to abandon the Moon shot and put all efforts into landing astronauts on Mars.